Date: Mon, 7 Aug 2017 02:17:15 +0000 (UTC) From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r322130 - stable/11/sys/ufs/ffs Message-ID: <201708070217.v772HFHG034684@repo.freebsd.org>
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Author: mckusick Date: Mon Aug 7 02:17:15 2017 New Revision: 322130 URL: https://svnweb.freebsd.org/changeset/base/322130 Log: MFC r321816: Avoid reading a snapshot block when it is already in the cache. Modified: stable/11/sys/ufs/ffs/ffs_snapshot.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/ufs/ffs/ffs_snapshot.c ============================================================================== --- stable/11/sys/ufs/ffs/ffs_snapshot.c Mon Aug 7 02:15:13 2017 (r322129) +++ stable/11/sys/ufs/ffs/ffs_snapshot.c Mon Aug 7 02:17:15 2017 (r322130) @@ -1403,7 +1403,7 @@ indiracct_ufs2(snapvp, cancelvp, level, blkno, lbn, rl */ bp = getblk(cancelvp, lbn, fs->fs_bsize, 0, 0, 0); bp->b_blkno = fsbtodb(fs, blkno); - if ((bp->b_flags & (B_DONE | B_DELWRI)) == 0 && + if ((bp->b_flags & B_CACHE) == 0 && (error = readblock(cancelvp, bp, fragstoblks(fs, blkno)))) { brelse(bp); return (error);
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